CVE-2026-61536

CVE-2026-61536 affects Banks prior to version 2.4.3. The vulnerability arises from an unsafe import path resolution in the CompletionExtension: the tool’s import_path is resolved via importlib.import_module(...) + getattr(...) without an allowlist or sanitization, enabling an attacker-controlled ...

CVE-2026-61536 Banks: Unsafe importlib.import_module of attacker-controlled Tool.import_path in CompletionExtension allows RCE

Banks generates meaningful LLM prompts using a simple template language. In versions prior to 2.4.3, banks parses Tool JSON objects from the rendered body of % completion % blocks and later resolves their importpath field through importlib.importmodule... + getattr... to obtain the callable that...